MRC:
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.FEAT
Special Features:
Four 0.260 - 0.267 in. Dia. Mounting holes, spotfaced one side, center to center distance along base length is 5.125 in. - along base width 1.250 in. ; three 0.193 - 0.199 in. Dia. Equally spaces holes for mounting bearing, nsn 3120010110030; distance from mounting surface to center of bearing opening is 3.920 in. ; one 0.069 - 0.074 in. Dia. Hole, spotfaced one side, and tapped for fitting using 0.250-28 unf threads 0.120 in. Depth
